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Shareholders' Equity - Additional information (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 31, 2024 | Jan. 31, 2023
Equity [Abstract] |  |
Company shares given to employees, shares | 26,731 | 17,752
Company shares given to employees, value | $ 0.4 | $ 0.3

X
- Definition Number of shares of stock delivered by employees to satisfy the exercise price for stock options exercised and restricted stock vested. + References No definition available. + Details
Name: | alot_StockDeliveredDuringPeriodSharesStockOptionsExercise
Namespace Prefix: | alot_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Dollar value of stock delivered by employees to satisfy the exercise price for stock options exercised and restricted stock vested. + References No definition available. + Details
Name: | alot_StockDeliveredDuringPeriodSharesStockOptionsExerciseAmount
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration